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neverforgetvivistee
Group Title
solving rational equations:
x+2 x  1 4x+2
 =   
x x x^23x
I know how to make them all have a common denominator x(x3)
but when it comes to solving I get
x^2+5x+6=x^24x3x3x2
which then comes up to be x^2+3x11
This isn't right. What did I do wrong?
 2 years ago
 2 years ago
neverforgetvivistee Group Title
solving rational equations: x+2 x  1 4x+2  =    x x x^23x I know how to make them all have a common denominator x(x3) but when it comes to solving I get x^2+5x+6=x^24x3x3x2 which then comes up to be x^2+3x11 This isn't right. What did I do wrong?
 2 years ago
 2 years ago

This Question is Closed

satellite73 Group TitleBest ResponseYou've already chosen the best response.2
maybe it would be easier to multiply both sides by \[x(x3)\]
 2 years ago

neverforgetvivistee Group TitleBest ResponseYou've already chosen the best response.0
i did
 2 years ago

neverforgetvivistee Group TitleBest ResponseYou've already chosen the best response.0
but i can't figure out what i did wrong because i get the wrong answer... when i multiply x+2 and x3 i get x^2+5x+5 when i multiply x1 and x3 i get x^24x3
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.2
you get \[(x+2)(x3)=(x1)(x3)4x+2\] i htink
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.2
hold on \[(x+2)(x3)=x^2x6\] ,maybe that is the mistake
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.2
also \[(x1)(x3)=x^24x+3\]
 2 years ago

neverforgetvivistee Group TitleBest ResponseYou've already chosen the best response.0
oh!!!!!! i put (x+2) and postive (x+3)!!
 2 years ago

neverforgetvivistee Group TitleBest ResponseYou've already chosen the best response.0
that was a waste of time i was looking just at how i solved it and not how i multiplied it. Thanks
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.2
\[(x+2)(x3)=(x1)(x3)4x+2\] \[x^2x6=x^24x+34x+2\] \[x^2x6=x^28x+5\] etc
 2 years ago

neverforgetvivistee Group TitleBest ResponseYou've already chosen the best response.0
when you're subtracting rationals, do you make it into a plus sign and make EVERYTHING in the numerator of the second negative, or just make 1 number negative? for examples x1 4x+2    x(x3) x(x3) would you make it into a plus sign, and then make 4x and 2 negative? 4x2
 2 years ago

neverforgetvivistee Group TitleBest ResponseYou've already chosen the best response.0
bump
 2 years ago
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